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12-31-2020, 08:56 PM | #1 |
Senior Member
Join Date: May 2010
Location: Dublin, Virginia
Posts: 191
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Compression tester
Has anyone made an adapter to check compressor on cylinders that fit in spark plug hole
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Jimmy Palmer |
12-31-2020, 09:37 PM | #2 |
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Join Date: Oct 2017
Location: Kingwood Texas
Posts: 30
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Re: Compression tester
Most of the suppliers sell a spark plug adapter so you can run modern 14mm plugs. This will let you run a compression test using a standard 14mm fitting. Snyder's part# is A-12405-ADP $6.75. It's what I use.
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12-31-2020, 09:46 PM | #3 |
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Join Date: May 2010
Location: Clinton,WA/Whidbey Island
Posts: 4,101
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Re: Compression tester
Yes, using old plug bust off porcelain JB Weld together or purchase from vendors.
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www.whidbeymodelaclub.com |
12-31-2020, 11:33 PM | #4 |
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Join Date: Dec 2016
Location: Grants Pass, Oregon
Posts: 79
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Re: Compression tester
I busted the porcelain insulator out BUT did not have to JB weld in a adapter because my compression gauge has a large rubber tip that fits the opening and I just press the gauge into the hole and take a reading. 👍 😷
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01-01-2021, 07:14 AM | #5 |
Senior Member
Join Date: Aug 2016
Location: West Virginia
Posts: 430
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Re: Compression tester
I busted porcelain out of an old plug and then threaded the hole with pipe thread tap and adapted to gauge thread.
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01-01-2021, 03:10 PM | #6 |
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Join Date: Mar 2014
Location: Midland Park,N.J.
Posts: 1,108
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Re: Compression tester
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